// Copyright (c) 2018, Bosch Software Innovations GmbH.
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#include <gmock/gmock.h>

#include <memory>
#include <string>

#include <OgreEntity.h>
#include <OgreSimpleRenderable.h>

#include "visualization_msgs/msg/marker.hpp"
#include "rviz_rendering/objects/movable_text.hpp"

#include "rviz_default_plugins/displays/marker/markers/text_view_facing_marker.hpp"

#include "../../../scene_graph_introspection.hpp"
#include "markers_test_fixture.hpp"
#include "../marker_messages.hpp"

using namespace ::testing;  // NOLINT

TEST_F(MarkersTestFixture, setMessage_sets_object_invisible_when_transform_fails) {
  marker_ = makeMarker<rviz_default_plugins::displays::markers::TextViewFacingMarker>();
  EXPECT_CALL(*frame_manager_, transform(_, _, _, _, _)).WillOnce(Return(false));  // NOLINT

  marker_->setMessage(createDefaultMessage(visualization_msgs::msg::Marker::TEXT_VIEW_FACING));

  auto movable_text = rviz_default_plugins::findOneMovableText(scene_manager_->getRootSceneNode());
  ASSERT_TRUE(movable_text);

  EXPECT_FALSE(movable_text->isVisible());
}

TEST_F(MarkersTestFixture, setMessage_sets_correct_caption_for_valid_message) {
  marker_ = makeMarker<rviz_default_plugins::displays::markers::TextViewFacingMarker>();
  mockValidTransform();

  auto message = createDefaultMessage(visualization_msgs::msg::Marker::TEXT_VIEW_FACING);
  message.text = "Message to display";
  marker_->setMessage(message);

  auto movable_text = rviz_default_plugins::findOneMovableText(scene_manager_->getRootSceneNode());
  ASSERT_TRUE(movable_text);
  EXPECT_TRUE(movable_text->isVisible());
  EXPECT_THAT(movable_text->getCaption(), StrEq(message.text));
}

TEST_F(MarkersTestFixture, setMessage_sets_correct_transformation_for_valid_message) {
  marker_ = makeMarker<rviz_default_plugins::displays::markers::TextViewFacingMarker>();
  mockValidTransform();

  auto message = createDefaultMessage(visualization_msgs::msg::Marker::TEXT_VIEW_FACING);
  message.text = "Message to display";
  marker_->setMessage(message);

  auto movable_text = rviz_default_plugins::findOneMovableText(scene_manager_->getRootSceneNode());
  ASSERT_TRUE(movable_text);
  EXPECT_THAT(movable_text->getParentSceneNode()->getPosition(), Vector3Eq(Ogre::Vector3(0, 1, 0)));
  EXPECT_THAT(movable_text->getCharacterHeight(), Eq(message.scale.z));
}
